peertube-plugin-livechat/server/lib/federation/init.ts

import type { RegisterServerOptions, VideoObject } from '@peertube/peertube-types'
import type { VideoBuildResultContext, RemoteVideoHandlerParams } from './types'
import { videoBuildJSONLD } from './outgoing'
import { readIncomingAPVideo } from './incoming'

export async function initFederation (options: RegisterServerOptions): Promise<void> {
  const logger = options.peertubeHelpers.logger
  const registerHook = options.registerHook
  logger.info('Registring federation hooks...')

  registerHook({
    target: 'filter:activity-pub.video.json-ld.build.result',
    handler: async (jsonld: VideoObject, context: VideoBuildResultContext) => {
      return videoBuildJSONLD(options, jsonld, context)
    }
  })

  // TODO: we should also register the context.build hook.
  // registerHook({
  //   target: 'filter:activity-pub.activity.context.build.result',
  //   handler: (jsonld: any) => {
  //     return videoContectBuildJSONLD(options, jsonld)
  //   }
  // })

  registerHook({
    target: 'action:activity-pub.remote-video.created',
    handler: async (params: RemoteVideoHandlerParams) => {
      return readIncomingAPVideo(options, params)
    }
  })
  registerHook({
    target: 'action:activity-pub.remote-video.updated',
    handler: async (params: RemoteVideoHandlerParams) => {
      return readIncomingAPVideo(options, params)
    }
  })
}